Euchroite
| Euchroite | |
|---|---|
|
Euchroite from Slovakia | |
| General | |
| Category | Arsenate minerals |
| Formula (repeating unit) | Cu2AsO4OH·3H2O |
| Strunz classification | 8.DC.07 |
| Crystal system | Orthorhombic |
| Crystal class |
Disphenoidal (222) H-M symbol: (2 2 2) |
| Space group | P212121 |
Euchroite is a hydrated copper arsenate hydroxide mineral with formula: Cu2AsO4OH·3H2O. It is a vitreous green to emerald green mineral crystallizing in the orthorhombic system. It has a Mohs hardness of 3.5 - 4.0 and a specific gravity of 3.39 - 3.45. It was first described in 1823 in Ľubietová, Slovakia.
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